CN116519753B - Gas concentration detection assembly of combustible gas alarm - Google Patents
Gas concentration detection assembly of combustible gas alarm Download PDFInfo
- Publication number
- CN116519753B CN116519753B CN202310775789.7A CN202310775789A CN116519753B CN 116519753 B CN116519753 B CN 116519753B CN 202310775789 A CN202310775789 A CN 202310775789A CN 116519753 B CN116519753 B CN 116519753B
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- fixedly connected
- wall
- assembly
- sleeve
- air
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- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 53
- 238000009434 installation Methods 0.000 claims description 49
- 230000001681 protective effect Effects 0.000 claims description 21
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000003245 working effect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 10
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000003870 refractory metal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/065—Arrangements for producing propulsion of gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
- F16K11/0853—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in a single plane perpendicular to the axis of the plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/065—Construction of housing; Use of materials therefor of taps or cocks with cylindrical plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
- F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/46—Mechanical actuating means for remote operation
- F16K31/465—Mechanical actuating means for remote operation by flexible transmission means, e.g. cable, chain, bowden wire
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a gas concentration detection assembly of a combustible gas alarm, which comprises a mounting box body, wherein a combustible gas detector is fixedly arranged in the mounting box body, an alarm is fixedly connected to the top of the mounting box body, a gas-driven air supply assembly is arranged at the bottom of the mounting box body, a gas control assembly matched with the air supply assembly is arranged at the bottom of one side of the mounting box body, the middle parts of two sides of the gas control assembly are respectively fixedly connected with an air inlet pipe and an air outlet pipe, a fixed pipe is fixedly connected between the gas control assembly and the air supply assembly, one side of the gas control assembly is fixedly connected with a mounting pipe, a filtering assembly is arranged on one side of the mounting pipe, and an adjusting assembly is arranged on the front surfaces of the air supply assembly and the gas control assembly. The invention changes the working states of the air supply assembly and the air control assembly by utilizing the matched use mode of the mounting box body, the air supply assembly, the air control assembly, the filter assembly and the adjusting assembly, thereby ensuring that the air supply assembly and the air control assembly are in different working effects and achieving different functions.
Description
Technical Field
The invention relates to the technical field of combustible gas detection, in particular to a gas concentration detection assembly of a combustible gas alarm.
Background
The combustible gas detector is an instrument tool for detecting gas leakage concentration, and comprises a portable combustible gas detector, a handheld combustible gas detector, a fixed combustible gas detector, an online combustible gas detector and the like, wherein gas sensors are mainly used for detecting gas types in the environment, and the gas sensors are used for detecting the components and the content of the gas.
The pumping combustible gas detector is matched with the combustible gas detector by using a sucking pump or an exhaust fan, so that gas is sucked into the combustible gas detector by using the sucking pump or the exhaust fan, and then the concentration of the combustible gas in the gas space is detected.
However, when the air pump or the exhaust fan is used in combination with the combustible gas detector to detect the concentration of the combustible gas, the air pump or the exhaust fan is directly and fixedly arranged on an air inlet pipeline of the combustible gas detector, so that the working state of the air pump or the exhaust fan is not convenient to be changed according to the use adjustment of the air pump or the exhaust fan.
Disclosure of Invention
The invention aims to provide a gas concentration detection assembly of a combustible gas alarm, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a combustible gas alarm gas concentration detection assembly comprising:
the device comprises an installation box body, wherein a combustible gas detector is fixedly installed in the installation box body, an alarm is fixedly connected to the top of the installation box body, the combustible gas detector is used for measuring the concentration of combustible gas by utilizing resistance change after heating a refractory metal platinum wire, and an air inlet pipe and an air outlet pipe are fixedly connected to one side of the installation box body;
the bottom of the installation box body is provided with an air supply assembly driven by air, the bottom of one side of the installation box body is provided with an air control assembly matched with the air supply assembly, the middle parts of two sides of the air control assembly are fixedly connected with an air inlet pipe and an air outlet pipe respectively, a fixed pipe is fixedly connected between the air control assembly and the air supply assembly, one side of the air control assembly is fixedly connected with an installation pipe, one side of the installation pipe is provided with a filtering assembly, and the front sides of the air supply assembly and the air control assembly are provided with an adjusting assembly;
the adjusting component comprises a protective shell, the protective shell is fixedly connected to the front faces of a first fixing sleeve and a second fixing sleeve, a connecting hole matched with a first connecting shaft and a second connecting shaft is formed in the back face of the protective shell, a servo motor is fixedly connected to the back face of the protective shell, a transmission shaft is connected to the output end of the servo motor in a transmission mode, a plurality of first synchronous wheels are fixedly sleeved at one end of the outer wall of the transmission shaft, a transmission sleeve is fixedly connected to the outer wall of the first connecting shaft and the outer wall of the second connecting shaft in a sliding mode, a second synchronous wheel is connected to the outer wall of the transmission sleeve in a sliding mode, and a synchronous belt is arranged between the first synchronous wheel and the second synchronous wheel.
Preferably, the gas control assembly comprises an installation shell, a rear end cover is fixedly connected to the back of the installation shell, a first disc and a second disc are rotationally connected to the inside of the installation shell, a first vent hole is formed in the top of one side opposite to the first disc and the second disc, two second vent holes are formed in one side opposite to the first disc and the second disc, first vent holes are formed in the bottoms of two sides of the installation shell, and second vent holes are formed in the middle of two sides of the installation shell.
Preferably, the front of first disc is provided with a plurality of interior bolts, first disc passes through interior bolt and second disc fixed connection, two circular arc grooves have been seted up to the inner wall of second vent, two second filter units have been passed through circular arc groove symmetry joint in the opposite one side of first disc and second disc, the front fixedly connected with second fixed sleeve of installation casing, the inner chamber rotation of second fixed sleeve is connected with the second connecting axle, the one end fixedly connected with second rectangular piece of second connecting axle, the second rectangular slot has been seted up in the front of first disc, the outer wall of second rectangular piece and the inner chamber slip joint in second rectangular slot.
Preferably, the air supply assembly comprises an installation tank body, the installation tank body is fixedly connected to the bottom of the installation tank body, a fixing frame is rotatably arranged in an inner cavity of the installation tank body, an exhaust fan is fixedly arranged in the fixing frame, a first fixing sleeve is fixedly connected to the front surface of the installation tank body, and a first connecting shaft is rotatably connected to the inner cavity of the first fixing sleeve.
Preferably, the mounting hole has been seted up at the back of the installation jar body, the inner chamber slip joint of mounting hole has the closing plate, the both sides at closing plate back all are provided with a plurality of fixing bolts, the closing plate passes through fixing bolt and the installation jar body fixed connection, the positive middle part fixedly connected with linking collar of closing plate, the back fixedly connected with connecting pin of mount, linking pin's outer wall rotates with linking collar and cup joints, the first rectangular block of one end fixedly connected with of first connecting axle, first rectangular slot has been seted up in the front of mount, the outer wall of first rectangular block and the inner chamber slip joint of first rectangular slot.
Preferably, the both sides of second synchronizing wheel all are provided with the constraint lantern ring, the outer wall fixedly connected with fixed plate of constraint lantern ring, the one end and the protective housing fixed connection of fixed plate.
Preferably, the first slider of inner wall symmetry fixedly connected with of transmission sleeve, first spout is all symmetrically seted up to the one end of first connecting axle outer wall and the one end of second connecting axle outer wall, the outer wall of first slider and the inner chamber slip joint of first spout, the one end symmetry fixedly connected with second slider of transmission sleeve outer wall, the second spout has been seted up to the inner wall symmetry of second synchronizing wheel, the outer wall of second slider and the inner chamber slip joint of second spout.
Preferably, the annular groove has been seted up to transmission sleeve's outer wall, the inner chamber rotation joint of annular groove has the constraint ring, one side of constraint ring is annular array slip interlude and has cup jointed the second gag lever post, the one end and the protective housing fixed connection of second gag lever post, the other end fixedly connected with second stopper of second gag lever post, the outer wall slip of second gag lever post has cup jointed second stop spring, second stop spring is located the front of constraint ring, protective housing fixedly connected with drive plate is passed in transmission sleeve's front, the front fixedly connected with handle of drive plate.
Preferably, one side of the gas control assembly is fixedly connected with an installation pipe, and one side of the installation pipe is provided with a filtering assembly.
Preferably, the filter component comprises a mounting sleeve, the one end of mounting tube outer wall is located to the mounting sleeve cover, the one end cover of mounting sleeve inner chamber is equipped with first filter unit, the fixed lantern ring has been cup jointed to the one end of mounting sleeve inner chamber, the outer wall of first filter unit is a plurality of fixture blocks of annular array fixedly connected with, a plurality of draw-in grooves have been seted up to one side of fixed lantern ring is annular array, the inner chamber slip joint of fixture block and draw-in groove, a plurality of fluting have been seted up to one side of fixed lantern ring, one side fixedly connected with a plurality of dead levers of first filter unit, a plurality of the one end fixedly connected with auxiliary lantern ring of dead lever, the other end of mounting sleeve inner chamber is fixed to be cup jointed the spacing lantern ring, the outer wall of mounting tube is fixed to be cup jointed the location lantern ring, one side of spacing lantern ring is a plurality of first spacing poles of annular array fixedly connected with, the one end of first spacing lantern ring passes the first stopper of location lantern ring fixedly connected with, the outer wall slip of first spacing spring has cup jointed first spacing spring, first spacing spring is located between location lantern ring and the spacing lantern ring.
The invention has the technical effects and advantages that:
the invention utilizes the matched use mode of the mounting box body, the air supply assembly, the air control assembly, the filtering assembly and the adjusting assembly, and the working states of the air supply assembly and the air control assembly can be changed under the action of the adjusting assembly, so that the fixed pipe, the mounting pipe, the air inlet pipe and the air outlet pipe are in different working states, and further are in different working effects, thereby achieving different functions;
the invention utilizes the setting mode of the air control assembly, the air control assembly comprises a mounting shell, a rear end cover, a first disc and a second disc, two first vent holes and two second vent holes are arranged between the first disc and the second disc, so that the two first vent holes and the two second vent holes can be changed by rotating the first disc and the second disc, and the fixed pipe, the mounting pipe, the air inlet pipe and the air outlet pipe are in different communication states;
the invention utilizes the setting mode of the adjusting component, the adjusting component comprises a protective shell, a transmission shaft, a first synchronous wheel, a transmission sleeve, a second synchronous wheel, a synchronous belt, a first sliding block and a second sliding block, so that under the action of a servo motor, the working states of the air supply component and the air control component can be synchronously changed, the transmission sleeve is pulled to separate the second sliding block on the outer wall of the transmission sleeve from the second synchronous wheel, and the working states of the air supply component or the air control component can be independently changed by rotating the transmission sleeve.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the whole structure of the installation shell of the invention.
FIG. 3 is a schematic view showing the internal structure of the front surface of the installation housing for connecting the air inlet pipe and the air outlet pipe.
Fig. 4 is a schematic view of the front internal structure of the air inlet pipe and exhaust pipe sealing installation shell of the invention.
Fig. 5 is a schematic view of the overall structure of the first disc of the present invention.
FIG. 6 is a schematic diagram of the overall structure of a second disc according to the present invention.
Fig. 7 is a schematic view showing the internal structure of the partial depression of the mounting can body of the present invention.
Fig. 8 is a schematic view showing the internal structure of the installation sleeve of the present invention in a depression plane.
Fig. 9 is a schematic view of the overall structure of the fixing collar of the present invention.
Fig. 10 is a schematic diagram of the front internal structure of the protective housing of the present invention.
Fig. 11 is a schematic view showing the internal structure of the side portion of the protective housing according to the present invention.
FIG. 12 is a schematic side view of the internal structure of a portion of a transmission sleeve according to the present invention.
In the figure: 1. installing a box body; 2. an alarm; 3. an air supply assembly; 31. mounting a tank body; 32. a fixing frame; 33. an exhaust fan; 34. a sealing plate; 35. a fixing bolt; 36. a connecting collar; 37. a connecting pin shaft; 38. a first fixed sleeve; 39. a first connecting shaft; 310. a first rectangular block; 4. a gas control assembly; 41. a mounting shell; 42. a rear end cover; 43. a first disc; 44. a second disc; 45. a first vent hole; 46. a second vent hole; 47. an arc groove; 48. a second filtering unit; 49. a second fixed sleeve; 410. a second connecting shaft; 411. a second rectangular groove; 412. an inner bolt; 413. a first air hole; 414. a second air hole; 51. a fixed tube; 52. installing a pipe; 53. an air inlet pipe; 54. an exhaust pipe; 6. a filter assembly; 61. installing a sleeve; 62. a first filtering unit; 63. a fixed collar; 64. a clamping groove; 65. a clamping block; 66. slotting; 67. a fixed rod; 68. an auxiliary collar; 69. a limit collar; 610. positioning the lantern ring; 611. a first stop lever; 612. a first limiting block; 613. a first limit spring; 7. an adjustment assembly; 71. a protective housing; 72. a transmission shaft; 73. a first synchronizing wheel; 74. a transmission sleeve; 75. a second synchronizing wheel; 76. a synchronous belt; 77. a restraint collar; 78. a fixing plate; 79. a first slider; 710. a second slider; 711. binding the ring; 712. a second limit rod; 713. a second limiting block; 714. a second limit spring; 715. a driving plate; 716. a handle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present invention provides a combustible gas alarm gas concentration detection assembly as shown in fig. 1-12, comprising:
the device comprises a mounting box body 1, wherein a combustible gas detector is fixedly arranged in the mounting box body 1, an alarm 2 is fixedly connected to the top of the mounting box body 1, the combustible gas detector is used for measuring the concentration of combustible gas by utilizing resistance change after heating of a refractory metal platinum wire, one side of the mounting box body 1 is fixedly connected with an air inlet pipe 53 and an exhaust pipe 54, the mounting box body 1, an air supply assembly 3, an air control assembly 4 and an adjusting assembly 7 are fixedly supported and mounted by utilizing a steel welding bracket during mounting and use, the bottom of the mounting box body 1 is provided with an air supply assembly 3 driven by air, the working state of the air supply assembly 3 is changed, the air flow conveying direction can be changed, the communicating state of the air control assembly 4 is changed, the fixed pipe 51, a mounting pipe 52, the air inlet pipe 53, the mounting box body 1 and the exhaust pipe 54 are respectively, the middle parts of two sides of the air control assembly 4 are fixedly connected with the air inlet pipe 53 and the exhaust pipe 54, a fixed pipe 51 is fixedly connected between the air control assembly 4 and the air supply assembly 3, one side of the air control assembly 4 is fixedly connected with the air control assembly 4, the air control assembly 4 is fixedly connected with the air control assembly 52, the air control assembly 4 is fixedly connected with the air control assembly 4 is provided with the air control assembly 4, and the air control assembly 4 is arranged on one side of the front side of the air control assembly 4 is provided with the air control assembly 4, and the filter assembly is provided with the air control assembly 4 is provided with the air control assembly 3, and the filter assembly is provided with the filter assembly 3.
When the air supply assembly 3 draws out the air flow, the mounting pipe 52, the air control assembly 4, the air inlet pipe 53, the air outlet pipe 54 and the mounting pipe 51 are used as air flow paths, the position for detecting the combustible gas can be conveyed into the mounting box body 1, so that the combustible gas detector detects the concentration of the combustible gas, and when the air supply assembly 3 draws in the air flow, the mounting box body 1, the air inlet pipe 53, the air control assembly 4 and the mounting pipe 52 are used as air flow paths, and the gas with a certain concentration in the mounting box body 1 can be discharged;
when the air supply assembly 3 draws out the air current, and take the mounting pipe 52, the air control assembly 4 and the fixing pipe 51 as the air flow path, the combustible gas inside the detection space can be drawn out and discharged to the outside, so that the concentration of the combustible gas inside the detection space is reduced, and when the air supply assembly 3 draws in the air current, and take the fixing pipe 51, the air control assembly 4 and the mounting pipe 52 as the air flow path, the outside air can be conveyed to the inside of the detection space, so that the concentration of the combustible gas inside the detection space can also be reduced.
Specifically, the air control assembly 4 includes a mounting housing 41, the back fixedly connected with rear end cap 42 of mounting housing 41, dismantle rear end cap 42 and just can take out first disc 43 and second disc 44 from mounting housing 41 inside, thereby to its dismantlement maintenance, the inside rotation of mounting housing 41 is connected with first disc 43 and second disc 44, first air vent 45 has been seted up at the top of the opposite side of first disc 43 and second disc 44, two second air vent 46 have been seted up to the opposite side of first disc 43 and second disc 44, thereby the both ends of the second air vent 46 of the opposite side of first disc 43 and second disc 44 respectively with first air vent 413 and second air vent 414 butt joint, just can make mounting tube 52, air control assembly 4, intake pipe 53, blast pipe 54 and fixed tube 51 form a gas flow channel, when first disc 43 and second disc 44 rotate, the both ends and two first air vent 413 of first air vent 45 communicate, just can make fixed tube 51, air control assembly 4 and mounting tube 52 form a gas flow channel, the bottom of mounting housing 41 has the first air vent 413, the both sides of the certain cross section of dust has been opened, when the first air vent of the air vent is all taken in shape, dust has been opened, dust has been taken shape, dust has been taken in the air vent in the middle part, dust has been opened, dust has been taken in the air vent in the dust, and has been opened.
Further, the front of the first disc 43 is provided with a plurality of inner bolts 412, the first disc 43 is fixedly connected with the second disc 44 through the inner bolts 412, two circular arc grooves 47 are formed in the inner wall of the second ventilation hole 46, two second filtering units 48 are symmetrically clamped on the opposite sides of the first disc 43 and the second disc 44 through the circular arc grooves 47, dust filtering can be carried out on air flowing in the inner cavities of the first disc 43 and the second disc 44 by the second filtering units 48, dust particles carried when the air enters the mounting box 1 are reduced, the front of the mounting box 41 is fixedly connected with a second fixing sleeve 49, the inner cavity of the second fixing sleeve 49 is rotationally connected with a second connecting shaft 410, one end of the second connecting shaft 410 is fixedly connected with a second rectangular block, the outer wall of the second rectangular block is slidably clamped with the inner cavity of the second rectangular block 411, and accordingly the second connecting shaft 410 can drive the first disc 43 and the second disc 44 to rotate through the second rectangular block.
Further, the air supply assembly 3 includes the installation jar body 31, the installation jar body 31 fixed connection is in the bottom of installation box 1, the inner chamber rotation of installation jar body 31 is provided with mount 32, the inside fixed mounting of mount 32 has exhaust fan 33, the first fixed sleeve 38 of front fixedly connected with of installation jar body 31, the inner chamber rotation of first fixed sleeve 38 is connected with first connecting axle 39, the mounting hole has been seted up at the back of installation jar body 31, the inner chamber slip joint in mounting hole has closing plate 34, the both sides at closing plate 34 back all are provided with a plurality of fixing bolt 35, closing plate 34 passes through fixing bolt 35 and installation jar body 31 fixed connection, dismantle closing plate 34, just can dismantle the maintenance to mount 32 and exhaust fan 33, the positive middle part fixedly connected with of closing plate 34 is connected with lantern ring 36, the back fixedly connected with connecting pin 37 of mount 32, the outer wall and the connecting lantern ring 36 of connecting pin 37 rotate the cup joint, the first rectangular block 310 of one end fixedly connected with of first connecting axle 39, the inner chamber slip joint in first rectangular block 310 and first rectangular block 310 in the front of first rectangular block, the first rectangular block 39 and the inner chamber slip joint in first rectangular block 39 and the first rectangular block 39 drive the exhaust fan 33 through first rectangular block 39 and the exhaust fan 33, thereby the exhaust fan 33 changes the direction change of the exhaust fan 33, the exhaust fan 33 can change the work state.
Further, the adjusting component 7 comprises a protective shell 71, the protective shell 71 is fixedly connected to the front faces of the first fixing sleeve 38 and the second fixing sleeve 49, a connecting hole matched with the first connecting shaft 39 and the second connecting shaft 410 is formed in the back face of the protective shell 71, a servo motor is fixedly connected to the back face of the protective shell 71, the output end of the servo motor is in transmission connection with a transmission shaft 72, one end of the outer wall of the transmission shaft 72 is fixedly sleeved with a plurality of first synchronous wheels 73, and accordingly the servo motor can drive the transmission shaft 72 to rotate.
In particular, the outer wall of the first connecting shaft 39 and the outer wall of the second connecting shaft 410 are both in sliding clamping connection with the transmission sleeve 74, the outer wall of the transmission sleeve 74 is in sliding clamping connection with the second synchronizing wheel 75, the synchronous belt 76 is arranged between the first synchronizing wheel 73 and the second synchronizing wheel 75, the transmission shaft 72 can drive the two transmission sleeves 74 to synchronously rotate through the two first synchronizing wheels 73, the two second synchronizing belts 76 and the two second synchronizing wheels 75, so that the two transmission sleeves 74 drive the first connecting shaft 39 and the second connecting shaft 410 to synchronously rotate, the working states of the air supply assembly 3 and the air control assembly 4 are synchronously changed, two sides of the second synchronizing wheels 75 are both provided with constraint lantern rings 77, the outer wall of the constraint lantern rings 77 are fixedly connected with the fixing plates 78, the constraint lantern rings 77 can limit the positions of the second synchronizing wheels 75, and when the transmission sleeve 74 is pulled, the second synchronizing wheels 75 are prevented from sliding along with the transmission sleeve 74, one end of the fixing plate 78 is fixedly connected with the protective shell 71, the inner wall of the transmission sleeve 74 is symmetrically and fixedly connected with a first sliding block 79, one end of the outer wall of the first connecting shaft 39 and one end of the outer wall of the second connecting shaft 410 are symmetrically provided with first sliding grooves, the outer wall of the first sliding block 79 is in sliding clamping connection with the inner cavity of the first sliding groove, one end of the outer wall of the transmission sleeve 74 is symmetrically and fixedly connected with a second sliding block 710, the inner wall of the second synchronizing wheel 75 is symmetrically provided with second sliding grooves, the outer wall of the second sliding block 710 is in sliding clamping connection with the inner cavity of the second sliding groove, the transmission sleeve 74 can enable the two second synchronizing wheels 75 to synchronously rotate with the first connecting shaft 39 and the second connecting shaft 410 through the first sliding block 79 and the second sliding block 710, the length of the second sliding block 710 corresponds to the second synchronizing wheel 75, so that the transmission sleeve 74 is pulled to slide relative to the second synchronizing wheel 75, and the second sliding block 710 can be separated from the second synchronizing wheel 75, therefore, the transmission sleeve 74 is rotated again, so that the transmission sleeve 74 can independently drive the corresponding first connecting shaft 39 or second connecting shaft 410 to rotate, the working states of the air supply assembly 3 and the air control assembly 4 are independently changed, and the two ends of the second sliding block 710 are provided with arc chamfers, so that when the transmission sleeve 74 is restored to the original position, the second sliding block 710 is conveniently and slidably clamped with the second synchronous wheel 75.
Further, the outer wall of the transmission sleeve 74 is provided with an annular groove, the inner cavity of the annular groove is rotationally clamped with a constraint ring 711, one side of the constraint ring 711 is in annular array sliding insertion and sleeve connection with a second limit spring 714, so that the transmission sleeve 74 can rotate relative to the constraint ring 711, the constraint ring 711 can not influence the rotation of the transmission sleeve 74, one end of the second limit rod 712 is fixedly connected with the protective shell 71, the other end of the second limit rod 712 is fixedly connected with a second limit block 713, the outer wall of the second limit rod 712 is in sliding sleeve connection with a second limit spring 714, the second limit spring 714 is positioned on the front surface of the constraint ring 711, the second limiting spring 714 can give an elasticity to the constraint ring 711, so that the constraint ring 711 gives an elasticity to the transmission sleeve 74, and when the transmission sleeve 74 is pulled without external force, the transmission sleeve 74 keeps a stable state and is clamped with the second synchronous wheel 75, the front surface of the transmission sleeve 74 passes through the protective shell 71 and is fixedly connected with the driving plate 715, the front surface of the driving plate 715 is fixedly connected with the handle 716, and the top of the front surface of the protective shell 71 and one side of the front surface are fixedly connected with two baffles limiting the driving plate 715, so that the driving plate 715 drives the transmission sleeve 74 to rotate for one hundred eighty degrees, and the state of the air supply assembly 3 and the state of the air control assembly 4 are changed accurately.
Further, the filter assembly 6 comprises a mounting sleeve 61, the mounting sleeve 61 is sleeved at one end of the outer wall of the mounting tube 52, a first filter unit 62 is sleeved at one end of the inner cavity of the mounting sleeve 61, a fixing sleeve ring 63 is fixedly sleeved at one end of the inner cavity of the mounting sleeve 61, a plurality of clamping blocks 65 are fixedly connected to the outer wall of the first filter unit 62 in an annular array, a plurality of clamping grooves 64 are formed in one side of the fixing sleeve ring 63 in an annular array, the outer wall of the clamping blocks 65 is slidably clamped with the inner cavity of the clamping grooves 64, a plurality of grooves 66 are formed in one side of the fixing sleeve ring 63 in an annular array, the mounting sleeve 61 is slidably mounted relative to the mounting tube 52, the distance between the fixing sleeve ring 63 and the mounting tube 52 is increased, the first filter unit 62 can drive the clamping blocks 65 to be separated from the clamping grooves 64 on the fixing sleeve ring 63, and then the first filter unit 62 can slide out of the grooves 66, so that the convenience of mounting and dismounting of the first filter unit 62 is improved, one side of the first filtering unit 62 is fixedly connected with a plurality of fixing rods 67, one end of each fixing rod 67 is fixedly connected with an auxiliary sleeve ring 68, the other end of the inner cavity of the mounting sleeve 61 is fixedly sleeved with a limiting sleeve ring 69, the outer wall of the mounting tube 52 is fixedly sleeved with a positioning sleeve ring 610, one side of each limiting sleeve ring 69 is fixedly connected with a plurality of first limiting rods 611 in an annular array, one end of each first limiting rod 611 passes through each positioning sleeve ring 610 and is fixedly connected with a first limiting block 612, the outer wall of each first limiting rod 611 is sleeved with a first limiting spring 613 in a sliding manner, each first limiting spring 613 is positioned between each positioning sleeve ring 610 and each limiting sleeve ring 69, each first limiting spring 613 can provide an elastic force for each limiting sleeve ring 69, so that the mounting sleeve 61 has an acting force for moving towards the mounting tube 52, each fixing sleeve ring 63 clamps each clamping block 65, one side of each first filtering unit 62 is attached to one end of the mounting tube 52, so that it filters the air passing in and out of the mounting tube 52, and the first filter unit 62 and the second filter unit 48 are each composed of a ring-shaped holder and a dust filter having a pore size of 1-5 μm.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (6)
1. A combustible gas alarm gas concentration detection assembly comprising:
the device comprises an installation box body (1), wherein a combustible gas detector is fixedly installed in the installation box body (1), an alarm (2) is fixedly connected to the top of the installation box body (1), and an air inlet pipe (53) and an air outlet pipe (54) are fixedly connected to one side of the installation box body (1);
the method is characterized in that: the bottom of the installation box body (1) is provided with an air supply assembly (3) driven by air, the bottom of one side of the installation box body (1) is provided with an air control assembly (4) matched with the air supply assembly (3), and the front surfaces of the air supply assembly (3) and the air control assembly (4) are provided with an adjusting assembly (7);
the air control assembly (4) comprises a mounting shell (41), a second fixing sleeve (49) is fixedly connected to the front face of the mounting shell (41), and a second connecting shaft (410) is rotatably connected to the inner cavity of the second fixing sleeve (49);
the air supply assembly (3) comprises an installation tank body (31), a first fixing sleeve (38) is fixedly connected to the front surface of the installation tank body (31), and a first connecting shaft (39) is rotatably connected to the inner cavity of the first fixing sleeve (38);
the adjusting assembly (7) comprises a protective shell (71), a servo motor is fixedly connected to the back of the protective shell (71), a transmission shaft (72) is connected to the output end of the servo motor in a transmission mode, and a transmission sleeve (74) is slidably clamped to the outer wall of the first connecting shaft (39) and the outer wall of the second connecting shaft (410);
the inside of the installation shell (41) is rotationally connected with a first disc (43) and a second disc (44), the back of the installation shell (41) is fixedly connected with a rear end cover (42), a first vent hole (45) is formed in the top of one side opposite to the first disc (43) and the second disc (44), two second vent holes (46) are formed in one side opposite to the first disc (43) and the second disc (44), first air holes (413) are formed in the bottoms of two sides of the installation shell (41), and second air holes (414) are formed in the middle of two sides of the installation shell (41);
the front of first disc (43) is provided with a plurality of interior bolts (412), first disc (43) are through interior bolt (412) and second disc (44) fixed connection, two circular arc grooves (47) have been seted up to the inner wall of second ventilation hole (46), two second filter units (48) have been passed through circular arc grooves (47) symmetry joint to the opposite one side of first disc (43) and second disc (44), the one end fixedly connected with second rectangular piece of second connecting axle (410), second rectangular slot (411) have been seted up in the front of first disc (43), the outer wall of second rectangular piece and the inner chamber slip joint of second rectangular slot (411);
the middle parts of two sides of the air control assembly (4) are fixedly connected with the air inlet pipe (53) and the air outlet pipe (54) respectively, a fixed pipe (51) is fixedly connected between the air control assembly (4) and the air supply assembly (3), the installation tank body (31) is fixedly connected to the bottom of the installation tank body (1), a fixing frame (32) is rotatably arranged in an inner cavity of the installation tank body (31), and an exhaust fan (33) is fixedly arranged in the fixing frame (32);
the utility model discloses a synchronous pulley, including transmission shaft (72) and fixed sleeve, a plurality of first synchronizing wheels (73) have been cup jointed to the one end of transmission shaft (72) outer wall, the outer wall slip joint of transmission sleeve (74) has second synchronizing wheel (75), be provided with hold-in range (76) between first synchronizing wheel (73) and second synchronizing wheel (75), protection casing (71) fixed connection is in the front of first fixed sleeve (38) and second fixed sleeve (49), the back of protection casing (71) has seted up with first connecting axle (39) and second connecting axle (410) assorted connecting hole, the both sides of second synchronizing wheel (75) all are provided with constraint lantern ring (77), the outer wall fixedly connected with fixed plate (78) of constraint lantern ring (77), the one end and the protection casing (71) fixed connection of fixed plate (78).
2. The gas concentration detection assembly of the combustible gas alarm device according to claim 1, wherein a mounting hole is formed in the back of the mounting tank body (31), a sealing plate (34) is slidably clamped in an inner cavity of the mounting hole, a plurality of fixing bolts (35) are arranged on two sides of the back of the sealing plate (34), the sealing plate (34) is fixedly connected with the mounting tank body (31) through the fixing bolts (35), a connecting lantern ring (36) is fixedly connected to the middle of the front of the sealing plate (34), a connecting pin shaft (37) is fixedly connected to the back of the fixing frame (32), the outer wall of the connecting pin shaft (37) is rotatably sleeved with the connecting lantern ring (36), a first rectangular block (310) is fixedly connected to one end of the first connecting shaft (39), and a first rectangular groove is formed in the front of the fixing frame (32), and the outer wall of the first rectangular block (310) is slidably clamped with the inner cavity of the first rectangular groove.
3. The gas concentration detection assembly of the combustible gas alarm device according to claim 1, wherein a first sliding block (79) is symmetrically and fixedly connected to the inner wall of the transmission sleeve (74), a first sliding groove is symmetrically formed in one end of the outer wall of the first connecting shaft (39) and one end of the outer wall of the second connecting shaft (410), the outer wall of the first sliding block (79) is in sliding clamping connection with an inner cavity of the first sliding groove, a second sliding block (710) is symmetrically and fixedly connected to one end of the outer wall of the transmission sleeve (74), a second sliding groove is symmetrically formed in the inner wall of the second synchronizing wheel (75), and the outer wall of the second sliding block (710) is in sliding clamping connection with the inner cavity of the second sliding groove.
4. The gas concentration detection assembly of the combustible gas alarm device according to claim 3, wherein an annular groove is formed in the outer wall of the transmission sleeve (74), a constraint ring (711) is rotatably clamped in an inner cavity of the annular groove, one side of the constraint ring (711) is provided with a second limiting rod (712) in a sliding insertion and insertion mode in an annular array mode, one end of the second limiting rod (712) is fixedly connected with the protection shell (71), the other end of the second limiting rod (712) is fixedly connected with a second limiting block (713), a second limiting spring (714) is slidably sleeved on the outer wall of the second limiting rod (712), the second limiting spring (714) is located on the front face of the constraint ring (711), the front face of the transmission sleeve (74) penetrates through the protection shell (71) and is fixedly connected with a driving plate (715), and the front face of the driving plate (715) is fixedly connected with a handle (716).
5. The gas concentration detection assembly of a combustible gas alarm according to claim 1, wherein one side of the gas control assembly (4) is fixedly connected with a mounting tube (52), and one side of the mounting tube (52) is provided with a filtering assembly (6).
6. The gas concentration detection assembly of a flammable gas alarm according to claim 5, wherein the filter assembly (6) comprises a mounting sleeve (61), one end of the outer wall of the mounting tube (52) is sleeved with the mounting sleeve (61), one end of the inner cavity of the mounting sleeve (61) is sleeved with a first filter unit (62), one end of the inner cavity of the mounting sleeve (61) is fixedly sleeved with a fixing collar (63), the outer wall of the first filter unit (62) is fixedly connected with a plurality of clamping blocks (65) in an annular array, one side of the fixing collar (63) is provided with a plurality of clamping grooves (64) in an annular array, the outer wall of the clamping blocks (65) is slidably clamped with the inner cavity of the clamping grooves (64), one side of the fixing collar (63) is provided with a plurality of grooves (66) in an annular array, one side of the first filter unit (62) is fixedly connected with a plurality of fixing bars (67), one end of the fixing bars (67) is fixedly connected with an auxiliary collar (68), the other end of the inner cavity of the mounting sleeve (61) is fixedly sleeved with a limit collar (69), one side of the fixing collar (69) is fixedly connected with the limit collar (610), one end of the first limiting rod (611) penetrates through the positioning collar (610) to be fixedly connected with a first limiting block (612), a first limiting spring (613) is sleeved on the outer wall of the first limiting rod (611) in a sliding mode, and the first limiting spring (613) is located between the positioning collar (610) and the limiting collar (69).
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| CN202310775789.7A CN116519753B (en) | 2023-06-28 | 2023-06-28 | Gas concentration detection assembly of combustible gas alarm |
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| CN202310775789.7A CN116519753B (en) | 2023-06-28 | 2023-06-28 | Gas concentration detection assembly of combustible gas alarm |
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| CN116519753B true CN116519753B (en) | 2023-08-25 |
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| CN116519753A (en) | 2023-08-01 |
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